Add lib/libkdchart

2012-02-11 14:34:29 +01:00
parent 67e00fcaa1
commit 9e1686bd6e
278 changed files with 221 additions and 13 deletions
--- a/lib/libkdchart/src/KDChartBarDiagram.h
+++ b/lib/libkdchart/src/KDChartBarDiagram.h
@@ -0,0 +1,149 @@
+/****************************************************************************
+** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Chart library.
+**
+** Licensees holding valid commercial KD Chart licenses may use this file in
+** accordance with the KD Chart Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#ifndef KDCHARTBARDIAGRAM_H
+#define KDCHARTBARDIAGRAM_H
+
+#include "KDChartAbstractCartesianDiagram.h"
+#include "KDChartBarAttributes.h"
+//#include "KDChartThreeDBarAttributes.h"
+
+class QPainter;
+
+namespace KDChart {
+
+    class ThreeDBarAttributes;
+
+/**
+ * @brief BarDiagram defines a common bar diagram.
+ *
+ * It provides different subtypes which are set using \a setType.
+ */
+class KDCHART_EXPORT BarDiagram : public AbstractCartesianDiagram
+{
+    Q_OBJECT
+
+    Q_DISABLE_COPY( BarDiagram )
+
+    KDCHART_DECLARE_DERIVED_DIAGRAM( BarDiagram, CartesianCoordinatePlane )
+
+public:
+    class BarDiagramType;
+    friend class BarDiagramType;
+
+    explicit BarDiagram(
+        QWidget* parent = 0, CartesianCoordinatePlane* plane = 0 );
+    virtual ~BarDiagram();
+
+    virtual BarDiagram * clone() const;
+    /**
+    * Returns true if both diagrams have the same settings.
+    */
+    bool compare( const BarDiagram* other )const;
+
+    enum BarType { Normal,
+                   Stacked,
+                   Percent,
+                   Rows ///< @deprecated Use BarDiagram::setOrientation() instead
+                 };
+
+    void setType( const BarType type );
+    BarType type() const;
+    
+    void setOrientation( Qt::Orientation orientation );
+    Qt::Orientation orientation() const;
+
+    void setBarAttributes( const BarAttributes & a );
+    void setBarAttributes( int column, const BarAttributes & a );
+    void setBarAttributes( const QModelIndex & index, const BarAttributes & a );
+
+    BarAttributes barAttributes() const;
+    BarAttributes barAttributes( int column ) const;
+    BarAttributes barAttributes( const QModelIndex & index ) const;
+
+    void setThreeDBarAttributes( const ThreeDBarAttributes & a );
+    void setThreeDBarAttributes( int column, const ThreeDBarAttributes & a );
+    void setThreeDBarAttributes( const QModelIndex & index,
+                                  const ThreeDBarAttributes & a );
+    ThreeDBarAttributes threeDBarAttributes() const;
+    ThreeDBarAttributes threeDBarAttributes( int column ) const;
+    ThreeDBarAttributes threeDBarAttributes( const QModelIndex & index ) const;
+
+#if QT_VERSION < 0x040400 || defined(Q_COMPILER_MANGLES_RETURN_TYPE)
+    // implement AbstractCartesianDiagram
+    /** \reimpl */
+    const int numberOfAbscissaSegments () const;
+    /** \reimpl */
+    const int numberOfOrdinateSegments () const;
+#else
+    // implement AbstractCartesianDiagram
+    /** \reimpl */
+    int numberOfAbscissaSegments () const;
+    /** \reimpl */
+    int numberOfOrdinateSegments () const;
+#endif
+
+protected:
+    void paint ( PaintContext* paintContext );
+
+public:
+    void resize ( const QSizeF& area );
+
+#if 0
+    // FIXME merge with 3DAttributes?
+    void setThreeDimensionalBars( bool threeDBars );
+    bool threeDimensionalBars() const;
+
+    void setThreeDimensionalBarsShadowColors( bool shadow );
+    bool threeDimensionalBarsShadowColors() const;
+
+    void setThreeDimensionalBarAngle( uint angle );
+    uint threeDimensionalBarAngle() const;
+
+    void setThreeDimensionalBarDepth( double depth );
+    double threeDimensionalBarDepth() const;
+
+#endif
+
+
+protected:
+    virtual double threeDItemDepth( const QModelIndex & index ) const;
+    virtual double threeDItemDepth( int column ) const;
+    /** \reimpl */
+    const QPair<QPointF, QPointF> calculateDataBoundaries() const;
+    void paintEvent ( QPaintEvent* );
+    void resizeEvent ( QResizeEvent* );
+private:
+
+    /*
+    void paintBars( PaintContext* ctx, const QModelIndex& index, const QRectF& bar, double& maxDepth );
+    */
+    void calculateValueAndGapWidths( int rowCount, int colCount,
+                                     double groupWidth,
+                                     double& barWidth,
+                                     double& spaceBetweenBars,
+                                     double& spaceBetweenGroups );
+}; // End of class BarDiagram
+
+}
+
+#endif // KDCHARTBARDIAGRAM_H